Freeze Warning — Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Butler, IA, Bremer, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Grundy, IA, Black Hawk, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Marshall, IA, Tama, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Jasper, IA, Poweshiek, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Marion, IA, Mahaska, IA, Adams, IA, Union, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Taylor, IA, Ringgold, IA, Decatur, IA, Wayne, IA, Appanoose, IA 9:00 AM

Boone County, Iowa, United States

Last updated: 9:50 PM CDT  ·  Refresh
6°C
Feels like 4°
Clear
▲ 11°  /  ▼ 2°
Wind
6 mph NW
Humidity
72%
Dew Point
1°
Pressure
29.42 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
7:28 AM
Sunset
6:32 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Boone County is currently clear at 6°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:28AM · Sunset: 6:32PM.

Alerts

Freeze Warning
Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Butler, IA, Bremer, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Grundy, IA, Black Hawk, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Marshall, IA, Tama, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Jasper, IA, Poweshiek, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Marion, IA, Mahaska, IA, Adams, IA, Union, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Taylor, IA, Ringgold, IA, Decatur, IA, Wayne, IA, Appanoose, IA
Expires 9:00 AM
21 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
6°
3%
10 PM
5°
3%
11 PM
4°
3%
12 AM
4°
3%
1 AM
4°
3%
2 AM
3°
3%
3 AM
3°
3%
4 AM
3°
3%
5 AM
2°
3%
6 AM
2°
3%
7 AM
3°
3%
8 AM
4°
3%
9 AM
8°
3%
10 AM
9°
3%
11 AM
11°
3%
12 PM
13°
3%
1 PM
14°
3%
2 PM
14°
3%
3 PM
15°
3%
4 PM
14°
3%
5 PM
11°
3%
6 PM
10°
3%
7 PM
9°
3%
8 PM
9°
3%
7-Day Forecast
Tonight
11° 2°
Clear.
Sat
15° 2°
Clear.
Sun
18° 4°
Clear.
Mon
21° 6°
Fog.
Tue
22° 8°
Mostly Clear.
Wed
24° 11°
Mostly Clear with a 21% chance of rain.
Thu
26° 12°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 6° Clear 3% 6 mph NW 72%
10 PM 5° Clear 3% 6 mph NNW 70%
11 PM 4° Clear 3% 5 mph NNW 71%
12 AM 4° Clear 3% 4 mph NW 72%
1 AM 4° Clear 3% 4 mph NW 74%
2 AM 3° Clear 3% 3 mph WNW 74%
3 AM 3° Clear 3% 3 mph W 75%
4 AM 3° Clear 3% 3 mph WSW 76%
5 AM 2° Clear 3% 3 mph SW 77%
6 AM 2° Clear 3% 4 mph SSW 78%
7 AM 3° Clear 3% 5 mph SSW 75%
8 AM 4° Clear 3% 7 mph SSW 70%
9 AM 8° Clear 3% 9 mph SSW 63%
10 AM 9° Clear 3% 11 mph SSW 59%
11 AM 11° Clear 3% 12 mph SW 54%
12 PM 13° Clear 3% 13 mph SW 50%
1 PM 14° Clear 3% 13 mph SSW 49%
2 PM 14° Clear 3% 13 mph SSW 48%
3 PM 15° Clear 3% 13 mph SSW 48%
4 PM 14° Clear 3% 12 mph SSW 54%
5 PM 11° Clear 3% 11 mph SSW 59%
6 PM 10° Clear 3% 10 mph SSW 64%
7 PM 9° Clear 3% 11 mph SSW 66%
8 PM 9° Clear 3% 11 mph SSW 67%
15-Day Forecast
Today
10/16
Clear
3%
2°
11°
Sat
10/17
Clear
3%
2°
15°
Sun
10/18
Clear
3%
4°
18°
Mon
10/19
Fog
3%
6°
21°
Tue
10/20
Mostly Clear
14%
8°
22°
Wed
10/21
Mostly Clear
21%
11°
24°
Thu
10/22
Clear
10%
12°
26°
Fri
10/23
Partly Cloudy
16%
14°
26°
Sat
10/24
Drizzle
54%
10°
22°
Sun
10/25
Drizzle
54%
8°
18°
Mon
10/26
Rain
60%
7°
17°
Tue
10/27
Drizzle
60%
7°
17°
Wed
10/28
Drizzle
60%
7°
17°
Thu
10/29
Drizzle
60%
7°
18°
Fri
10/30
Drizzle
60%
7°
17°
21
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
6 AQI 1.1 µg/m³
O3
Ground-level ozone
Dominant
21 AQI 23 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 21 Good 21 6
Sun 28 Good 28 12
Mon 32 Good 28 32
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sat Oct 17, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE12 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index20.8
Kinematics
0–6 km Shear43 kt
0–1 km Shear19 kt
Eff. Shear—
0–1 km SRH87
0–3 km SRH112
Eff. SRH—
Storm Motion26° @ 32 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-21.4
Thermo & Levels
PWAT0.30 in
0–3 km LR3.0 °C/km
700–500 LR4.8 °C/km
Total Totals21.1
LCL930 hPa
LFC—
EL—
Freezing Lvl3,947 ft